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Vol. 27 No. 2
March-April 2005

Making an imPACt | Recent IUPAC technical reports and recommendations that affect the many fields of pure and applied chemistry.
See also www.iupac.org/publications/pac

Name and Symbol of the Element with Atomic Number 111
(IUPAC Recommendations 2004)


J. Corish and G.M. Rosenblatt
Pure and Applied Chemistry
Vol. 76, No. 12, pp. 2101-2103 (2004)

A joint IUPAC-IUPAP Working Party (JWP) confirmed the discovery of element number 111. In accord with IUPAC procedures, the discoverers proposed a name and symbol for the element. The Inorganic Chemistry Division recommended this proposal for acceptance, and it was adopted by IUPAC on 1 November 2004. The recommended name is roentgenium with symbol Rg.

www.iupac.org/publications/pac/2004/7612/7612x2101.html


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